past 6-7 days it was working fine ,still to date import is working fine but now it is alongwith internal error and it is occuring daily at 9 am(india timing ) the error which i shown in log file is as
ORA-39014: One or more workers have prematurely exited.
ORA-39029: worker 1 with process name "DW01" prematurely terminated
ORA-31671: Worker process DW01 had an unhandled exception.
ORA-00600: internal error code, arguments: [qerxtAgentOpen_911], [5], [4], [], [ ], [], [], []
ORA-06512: at "SYS.KUPW$WORKER", line 1345
ORA-06512: at line 2
Job "SYSTEM"."SYS_IMPORT_SCHEMA_16" stopped due to fatal error at 08:58:46
ORA-39014: One or more workers have prematurely exited.